Allegro Leadership

Allegro Leadership


Glenn Lux, MD, MBA

President & Chief Executive Officer

Dr. Glenn Lux joined our practice in 1977. He moved into the role of president in 1987, but continued to see patients in addition to his administrative duties until 2009. Dr. Lux attended Amherst College for his undergraduate studies, University of Rochester for medical school, and completed his MBA at Seattle University. He is board-certified in pediatrics and medical management, and is a Certified Physician Executive (CPE). Before joining Allegro Pediatrics, Dr. Lux was a medical officer for the United States Navy at the Sand Point Naval Medical Clinic. He currently serves as president of the Board of Directors at Kindering Center, a member of the Washington State Medical Association Judicial Council, and a clinical associate professor emeritus at the University of Washington. Dr. Lux is on the affiliate faculty of the Albers School of Business and Economics at Seattle University, where he is on the faculty of the course “Leading with Emotional Intelligence.” He is also the author of EQ Primer-3rd edition. Dr. Lux has two daughters and a grandson, and enjoys spending time with his family. He also enjoys choral singing, hiking, traveling, and the study of Italian language. 


Josephine Young, MD, MPH, MBA, FAAP

Chief Operating Officer

Dr. Josephine Young is responsible for the day-to-day operations and collaborates in long-term strategic planning at Allegro Pediatrics. She is committed to ensuring that our practice provides the highest quality pediatric care to meet the needs of the children in our community. Dr. Young received both her undergraduate and medical degrees from Boston University, and later went on to receive her MPH in Health Services Research and MBA in Technology Management from the University of Washington.  In addition to general pediatrics, she completed a fellowship at Seattle Children’s Hospital in adolescent medicine. Dr. Young has served in her current role as the Chief Operating Officer at Allegro Pediatrics since 2008. Her overall medical career includes roles in a broad spectrum of medical practice settings, both locally and on the East Coast. She is the founder and leader of GreenPUG (the national Greenway Pediatric User Group), and serves on the Board of Directors for Physicians Insurance, in addition to involvement with a multitude of other committees and programs. She is married to a fellow physician and together they have four children, and three very curious cats. As parents of a child with a complex congenital heart defect, she and her husband founded and continue to lead the Heart to Heart CHD support group to help other families affected by congenital heart disease issues.


Stuart Minkin, MD, FAAP

Chief Medical Officer

As a member of the senior leadership team at Allegro Pediatrics, Dr. Stuart Minkin is responsible for supporting the providers and staff in providing quality care to children, and assisting management in support of this goal. Dr. Minkin joined our practice in 2000, but has been caring for children in the Bellevue area since 1973. After attending the University of Wisconsin – Madison for both his undergraduate studies and medical school, Dr. Minkin came to the Pacific Northwest for his residency at Seattle Children’s Hospital. Following completion of his residency, he spent two years in the Navy, serving as pediatrician on Whidbey Island.  Prior to joining our practice, Dr. Minkin worked at the Bellevue Clinic, which later became Medalia Healthcare, where he served as Medical Director of the clinic and the Medalia east region, respectively. Dr. Minkin is married and has two daughters and four grandchildren who all live in the area. He enjoys spending time with his family, downhill skiing, traveling, doing Pilates and learning from both his children and grandchildren. 


Brett Vandenberg, CMPE

Chief Financial Officer

Brett Vandenberg manages all financial activities for Allegro Pediatrics. Brett has a degree in business administration from the University of Washington and is a Certified Medical Practice Executive (CMPE) from the Medical Group Management Association (MGMA). He joined our practice in 2006 after serving as practice administrator for the Issaquah Medical Group. Brett is a two-time president of the Washington State chapter of the MGMA. He also serves as the Board Liaison for the Washington State Medical Association and is the former Board Secretary/Treasurer for the Washington State Medical Association Foundation. Brett lives in Kirkland with his wife and two children. He enjoys sports, especially golf, and is a diehard Washington Huskies supporter. 


Brock Morris

Chief Information Officer & Chief Marketing Communications Officer

Brock Morris is responsible for overseeing the IT department and all strategic IT decision-making for Allegro Pediatrics. He is also responsible for oversight of the business development and communications efforts of the organization. Brock is a member of the College of Healthcare Information Management Executives (CHIME)and Seattle Children’s HIE & Data Governance Committee. Prior to joining the practice in 2009, Brock served as the director of IT for Wasatch Pediatrics in Salt Lake City, UT. As a member of the senior leadership team at Allegro Pediatrics, Brock built the IT department from the ground up, and in partnership with the COO, Dr. Young, implemented the organization's first electronic health record, created a new Business Development & Communications department, and launched the rebranding efforts for the practice. He currently lives in Snohomish with his wife and their three daughters. Brock enjoys taking Disney vacations with his family, reading, playing golf, and cheering on the Seahawks. 


Cathy Wilkinson, MD, FAAP

Chief Personnel Officer

As the Chief Personnel Officer for Allegro Pediatrics, Dr. Cathy Wilkinson is responsible for facilitating a mission of medical excellence for our doctors and nurse practitioners, through recruitment, scheduling, and professional development. She attended Birmingham-Southern College for her undergraduate studies, the University of Alabama School of Medicine for her medical degree, and completed her pediatric residency at the University of Washington/Seattle Children’s Hospital. Dr. Wilkinson joined our practice in 1987 as a primary care pediatrician, where she loved making connections with families and watching her patients grow and develop. Now, as a physician executive, she enjoys seeing that same growth and development of Allegro Pediatrics as a whole. Dr. Wilkinson lives on a small horse farm with her husband and daughters. They love living close to nature, and are kept very busy with farm maintenance and working with the horses. In her spare time, Dr. Wilkinson enjoys horseback riding (dressage), Pilates, hiking, reading, and trying new recipes.


Amy Carter, MD, FAAP

Associate Chief Medical Officer 

Dr. Amy Carter graduated magna cum laude from Harvard University. While living in Boston, she was part of the founding group of Project Health students working at Boston Medical Center to advocate for social determinants of health. Dr. Carter then followed her husband to Palo Alto to work in Kaiser Permanente California’s strategic planning department. She eventually returned home to the University of Nevada for medical school, where she graduated first in her class. Dr. Carter completed her pediatric fellowship at the University of Washington/Seattle Children’s and joined Allegro Pediatrics in 2007. In addition to focusing on her busy pediatric practice, partnering with families on their journeys toward health, she has been a member of the Allegro Board of Directors since 2013, and has participated in a regional outpatient pediatric quality guidelines committee. Dr. Carter is now Allegro’s Associate Chief Medical Officer, with the goal of promoting clinical quality and developing an integrated behavioral health care strategy. Dr. Carter is married with two children. She enjoys bicycling, traveling, reading, exploring restaurants, and scorekeeping for her sons’ baseball games.

Steve Banta

Director of Quality 

Steve Banta leads the Quality Department in providing collaboration and support in process improvement, change management, innovation and optimization. The department is committed to serving the needs of our patients, care team and staff, by facilitating data-driven decision making in using evidence-based principles. Steve is a Certified Six Sigma Black Belt (CSSBB) and a member of the Medical Group Management Association (MGMA). Prior to joining Allegro Pediatrics in 2014, Steve worked for 25 years in the grocery industry holding roles in store operations, process improvement, training facilitation and project management. During his tenure, he earned the President’s Award of Excellence, Store of the Year, and various awards in Six Sigma. Steve lives near Snohomish with his wife, two daughters, and their Siberian Huskies. He enjoys spending time with family and friends, running, hiking, obstacle runs, and tackling home improvement projects.


Ingrid Joseph

Director of Human Resources

Ingrid Elwin Joseph joined our team in July 2019. She oversees staff development, payroll, benefits, hiring, and employment compliance for Allegro Pediatrics. Ingrid has a strong science and technology-focused background in her more than twenty years as an HR professional. Her diverse experience includes positions at Nordstrom, Microsoft,, and a variety of engineering, software, medical device, and biotech companies. Before coming to Allegro Pediatrics, Ingrid was the Director of Human Resources at Infectious Disease Research Institute. She is a SHRM/HRCI certified Human Resources Professional. Ingrid and her husband enjoy traveling the world.


Megan Nelson

Director of Business Development & Communications

Megan Nelson is responsible for the practice’s strategic business development and communications activities. She joined Allegro Pediatrics in February of 2015. Before coming to Allegro, Megan spent more than 13 years at Seattle Children’s, holding various roles in marketing communications, development, and community relations. She is currently a member of the WSMA Foundation Board of Directors and holds a degree in business administration, and another in romance languages, from the University of Washington, along with a Certificate of International Studies in Business. Megan lives in Bothell with her husband, two daughters, and their rambunctious corgi. 


Andrea Petre, MBA, FACMPE

Director of Internal Operations  

Andrea Petre oversees facilities, environmental services, materials management, and company events for Allegro Pediatrics. She joined our practice in 1998, and enjoys working closely with the doctors and staff to impact the overall patient experience. Andrea has an MBA, her Six Sigma Yellow Belt certification, and is a Certified Medical Practice Executive (CMPE) from the Medical Group Management Association (MGMA). She is also a Fellow in the American College of Medical Practices Executives (FACMPE), a board member for the Washington State chapter of the MGMA, and a volunteer for the national MGMA organization.  Andrea is married with three children that have been patients at Allegro. She enjoys spending time with her family and paddle boarding.

Juliet Storm, RN, BSN

Director of Clinical Services

Juliet Storm has been with our practice since 2012. Prior to taking on her current role, Juliet served as a nurse, back-office lead, and assistant to the director of clinical services. As director of clinical services, she is responsible for ensuring that Allegro Pediatrics patients experience high quality, personalized, and compassionate care at every visit. Juliet also serves as the liaison with the King County Vaccines for Children (VFC) program and other community partners and agencies. She is a member of the Disaster Clinical Advisory Committee for the Northwest Healthcare Response Network. Juliet received her nursing degrees from Long Beach City College and the University of Texas at Arlington. She lives in Bothell with her husband and their son. Juliet enjoys being outside, taking in the sun, hiking, biking, snowboarding, and paddle boarding. She also loves painting, restoring furniture, and all other kinds of crafting. 


Katie Zagroba

Director of Clinical Operations

Katie Zagroba oversees the operations of all nine Allegro Pediatrics clinic sites and the medical records department. She joined our practice in 2010 after attending the University of Washington where she was a member of the UW crew team. Prior to taking on her current responsibilities, Katie worked in an administrative role as project manager and most recently as manager of the IT department.  She had direct responsibility for managing Allegro’s IT team, in addition to overseeing technical projects and training. Katie lives in Seattle and enjoys hiking, trying new restaurants, and traveling.

Board of Directors

Jill Brubaker

Amy Carter

Holly Ginsberg

Pamela LaBorde

Glenn Lux

Stuart Minkin

Joan Robertson

Rob Roskin

Steve Schiebel

Lorena Shih

Julie Wen

Cathy Wilkinson